Equipment for renewing air in a plurality of rooms by means of a dual-flow heat exchanger provided in each room

Abstract

The invention relates to equipment for renewing the air of a plurality of rooms ( 1 ), comprising: a common single-flow airflow generator ( 2 ) arranged inside the rooms for extracting air from the rooms; a dual flow heat exchanger ( 3 ) arranged inside each room ( 1 ), comprising: an inlet opening ( 4 ) for the airflow ( 10 ) entering the room; an outlet opening ( 5 ) for the airflow ( 10 ) entering the room; an inlet opening ( 6 ) for the airflow ( 11 ) exiting the room; an outlet opening ( 7 ) for the airflow ( 11 ) exiting the room; a flow inlet inner duct ( 8 ) connecting the inlet ( 4 ) and outlet ( 5 ) openings for the airflow entering the room; a flow outlet inner duct ( 9 ) connecting the inlet ( 6 ) and outlet ( 7 ) openings for the airflow exiting the room; an exchange wall ( 12 ) having a first surface ( 13 ) defining a portion of said flow inlet inner duct ( 8 ) and a second surface ( 14 ) opposite the first defining a portion of the flow outlet inner duct ( 9 ); a plurality of individual ducts ( 15 ) for extracting air from the rooms, an individual extraction duct for a room connecting the flow generator to the outlet ( 7 ) of the heat exchanger ( 3 ) of the room for the airflow ( 11 ) exiting the room via a common air extraction collecting duct ( 20 ); an air inlet duct ( 16 ) in each room, individually allocated to each room, in which flows only the airflow ( 10 ) entering said room, and connecting the inlet opening ( 4 ) of the dual flow heat exchanger ( 3 ) of each room, for the airflow ( 10 ) entering the room ( 1 ), to the external environment ( 17 ).

1 . Equipment for renewing air in a plurality of rooms ( 1 ), comprising:
 a single flow airflow generator ( 2 ) located outside of said plurality of rooms ( 1 ), common to the extraction of air from said plurality of rooms, characterised in that said equipment includes:   a dual-flow heat exchanger ( 3 ) located in each room ( 1 ) of said plurality of rooms, or in a wall defining each room of said plurality of rooms, said dual-flow heat exchanger in each room of said plurality of rooms comprising:
 an inlet opening ( 4 ) for the airflow ( 10 ) entering the room, 
 an outlet opening ( 5 ) for the airflow ( 10 ) entering the room, 
 an inlet opening ( 6 ) for the airflow ( 11 ) exiting the room, 
 an outlet opening ( 7 ) for the airflow ( 11 ) exiting the room, 
 a flow inlet inner duct ( 8 ) connecting the inlet openings ( 4 ) and outlet openings ( 5 ) for the incoming airflow ( 10 ) entering the room ( 1 ), 
 a flow outlet inner duct ( 9 ) connecting the inlet ( 6 ) and outlet openings ( 7 ) for the airflow ( 11 ) exiting the room ( 1 ), 
 an exchange wall ( 12 ) having a first surface ( 13 ) defining a portion of said flow inlet inner duct ( 8 ), and where the second surface ( 14 ) opposite the first, defining a portion of said flow outlet inner duct ( 9 ), 
   a plurality of individual ducts ( 15 ) for extracting air from the rooms ( 1 ), an individual extraction duct ( 15 ) for a room ( 1 ) connecting said airflow generator ( 2 ) located outside said plurality of rooms, to the outlet ( 7 ) of the dual-flow heat exchanger ( 3 ), for the airflow ( 11 ) exiting the room, via a common air extraction collecting duct ( 20 ),   an air inlet duct ( 16 ) in each room, connecting the inlet ( 4 ) of the dual-flow heat exchanger ( 3 ) in each room, for the airflow ( 10 ) entering the room ( 1 ), to the external environment ( 17 ), said air inlet duct ( 16 ) in each room ( 1 ) of said plurality of rooms being a duct allocated to said each room, in which only the airflow ( 10 ) entering said room.   
     
     
         2 . Equipment according to  claim 1 , characterised in that said air inlet duct ( 16 ) into the room ( 1 ), has a length equal or greater than the thickness of a separating wall ( 18 ) between said room ( 1 ) and the external environment ( 17 ). 
     
     
         3 . Equipment according to  claim 1 , characterised in that said air extraction duct ( 15 ) from the room ( 1 ), passes through a separating wall ( 19 ) between said room and said air extraction collecting duct ( 20 ). 
     
     
         4 . Equipment according to  claim 1 , characterised in that said dual-flow heat exchanger ( 3 ) is located against a wall ( 18 ) or a partition ( 21 ) inside said room ( 1 ). 
     
     
         5 . Equipment according to  claim 1 , characterised in that said dual-flow heat exchanger ( 3 ) is located in the wall or partition defining said room ( 1 ). 
     
     
         6 . Equipment according to  claim 1  characterised in that said dual-flow heat exchanger ( 3 ) dual-flow equipment is located in the frame of an opening of said room ( 1 ), separating said room from the external environment ( 17 ). 
     
     
         7 . Equipment according to  claim 1 , characterised in that said dual-flow heat exchanger ( 3 ) is a passive heat exchanger which does not include its own means for generating a flow of air able to pass through it. 
     
     
         8 . Equipment according to  claim 1 , characterised in that said dual-flow heat exchanger ( 3 ) includes means for heating the incoming airflow ( 10 ), additional to the heat exchange wall ( 12 ) of said dual-flow heat exchanger ( 3 ). 
     
     
         9 . Equipment according to  claim 1 , characterised in that said dual-flow heat exchanger ( 3 ) includes means for cooling the incoming airflow ( 10 ), additional to the heat exchange wall ( 12 ) of said dual-flow heat exchanger ( 3 ). 
     
     
         10 . Equipment according to  claim 1 , characterised in that it comprises means for controlling the incoming airflow ( 10 ) entering the room ( 1 ), actuated by means for detecting the presence of humans or animals in said room. 
     
     
         11 . Equipment according to  claim 10 , characterised in that the means for controlling incoming airflow ( 10 ) entering into the room ( 1 ) includes means for generating the incoming airflow of the turbine type. 
     
     
         12 . Equipment according to  claim 1 , characterised in that it comprises methods to defrost said dual-flow heat exchanger ( 3 ). 
     
     
         13 . Equipment according to  claim 2 , characterised in that said air extraction duct ( 15 ) from the room ( 1 ), passes through a separating wall ( 19 ) between said room and said air extraction collecting duct ( 20 ). 
     
     
         14 . Equipment according to  claim 2 , characterised in that said dual-flow heat exchanger ( 3 ) is located against a wall ( 18 ) or a partition ( 21 ) inside said room ( 1 ). 
     
     
         15 . Equipment according to  claim 3 , characterised in that said dual-flow heat exchanger ( 3 ) is located against a wall ( 18 ) or a partition ( 21 ) inside said room ( 1 ). 
     
     
         16 . Equipment according to  claim 2 , characterised in that said dual-flow heat exchanger ( 3 ) is located in the wall or partition defining said room ( 1 ). 
     
     
         17 . Equipment according to  claim 3 , characterised in that said dual-flow heat exchanger ( 3 ) is located in the wall or partition defining said room ( 1 ). 
     
     
         18 . Equipment according to  claim 2  characterised in that said dual-flow heat exchanger ( 3 ) dual-flow equipment is located in the frame of an opening of said room ( 1 ), separating said room from the external environment ( 17 ). 
     
     
         19 . Equipment according to  claim 3  characterised in that said dual-flow heat exchanger ( 3 ) dual-flow equipment is located in the frame of an opening of said room ( 1 ), separating said room from the external environment ( 17 ). 
     
     
         20 . Equipment according to  claim 2 , characterised in that said dual-flow heat exchanger ( 3 ) is a passive heat exchanger which does not include its own means for generating a flow of air able to pass through it.